Futaba 8SGAP User Manual download pdf (Page 12)

•BATTERIES AND CHARGING INSTRUCTIONS

•The

Direct

Servo

Controller

system connects

the signals from the transmitter directly to

terminal C of the receiver through a wire and

controls the servos without radiating radio-

waves. It is extremely convenient when flying

on the same band or during meets, etc.

•Make the connections shown in Fig.12. Con-

necting the special DSC.CHG cord with tab to

receiver terminal C and installing it to the side

of the aircraft fuselage is very convenient.

•When the DIN connector of the DSC cord is

connected to the DSC connector 29, the

power to the encoder inside the transmitter is

turned on. The transmitter power switch is

OFF.

• When

not using the DSC, disconnect the DIN

connector.

• To operate the servos, turn on the receiver

and servo switch.

Before using your system, recharge the Nicd batteries as follows:

•Connect the DIN connector of the FBC8B (2) battery charger

to the transmitter charging socket 29 . Also connect the 3P

connector to the airborne NR-4J Nicd battery and plug the

battery charger into a 120VAC outlet as shown in Fig. 12 . The

airborne batteries can also be charged through the DSC/CHG

harness by connecting the CHG adaptor to the charger as shown

in Fig.12. In this manner, the airborne batteries can be charged

without removing them from the model.

• Normally recharge the battery for about 15 hours. If it has not

been used for some time, discharge and recharge it two or three

times and then charge it a full 15 hours.

• The transmitter and receiver

Nicd batteries can be charged

together or independently.

•A fully-charged transmitter battery can be used for about 10

flights of 10 minutes each. The airborne NR-4J Nicd battery

can be used for about 6 flights when

6 servos are used and

about 4 flights when 10 servos are used.

• If the system is not to be used for some time, it should be fully

charged before storage and recharged monthly to avoid full

discharge and loss of memory settings (ATV, FS, BFS memory,

etc.).

TX (transmitter)

AC-120V

Battery charger

FBC-8B (2)

LED

Make this

connection when

using the DSC.

DSC cord

Charging

socket

and

DCS

connector

RX (receiver)

Female

Install the accessory

DSC.CHG cord

Male

Antenna

Receiver

(connector with tab)

to the side of the

aircraft fuselage to

use the charging/DSC

socket.

DSC.CHG

cord

Female

CHG

Adaptor

Female

Male

Female

Male

Female

Notes:

(1) First, connect to TX Nicd and red lamp goes on.

(2) Then, connect to RX Nicd after connecting, L.E.D.

changes color from red to greenish red (orange)

which indicates that both TX and RX Nicds are

being charged.

(3) In case of separate charging, L.E.D, color will be:

RX Nicd-Green TX Nicd - Red

NR-4J

Fig. 12

• The amount of time remaining before the batteries must be

recharged can be estimated using the Integrating Timer

function of the Tachometer/Timer 21 . It is recommended

that this function be used to monitor remaining flying time.

(See Page 11 for detailed instructions.)

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Futaba 8SGAP User Manual Page 12

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